<style>
  div{
    width: 850px;
    height: 1400px;
    margin: 0 auto;
    background-color: #DEE1E6;
  }
  img {
    width: 100%;
    height: 1400px;
    opacity: 0;
    transition: opacity .5s;
  }

  </style>
  
  <div><img data-src="https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3644577905,2829957416&fm=26&gp=0.jpg"></div>
  <div><img data-src="https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3644577905,2829957416&fm=26&gp=0.jpg"></div>
  <div><img data-src="https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3644577905,2829957416&fm=26&gp=0.jpg"></div>
  <div><img data-src="https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3644577905,2829957416&fm=26&gp=0.jpg"></div>
  <div><img data-src="https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3644577905,2829957416&fm=26&gp=0.jpg"></div>
  <div><img data-src="https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3644577905,2829957416&fm=26&gp=0.jpg"></div>
  <div><img data-src="https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3644577905,2829957416&fm=26&gp=0.jpg"></div>
  <div><img data-src="https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3644577905,2829957416&fm=26&gp=0.jpg"></div>
  <div><img data-src="https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3644577905,2829957416&fm=26&gp=0.jpg"></div>
  <div><img data-src="https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3644577905,2829957416&fm=26&gp=0.jpg"></div>
  <div><img data-src="https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3644577905,2829957416&fm=26&gp=0.jpg"></div>
  <div><img data-src="https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3644577905,2829957416&fm=26&gp=0.jpg"></div>
  <div><img data-src="https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3644577905,2829957416&fm=26&gp=0.jpg"></div>

  <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
  <script src="./jquery.lazyload.js"></script>
  <script>
  // lazyLoad(图片地址的的自定义属性)
  $('img').lazyLoad("data-src");
  </script>